Haffner’s operates 71 gas stations, convenience stores, car washes and foodservice locations.
Conexxus
- About
- Membership
-
Our Work
- Standards Overview
- Public Standards
- API Resources
- Electronic Payment Server (EPS)
- Forecourt Device Controller
- Forecourt Payment Terminal
- Lottery
- Loyalty
- Mobile Payments (APIs)
- Mobile Payments (XML)
- Motor Fuels Interface
- Payment System Product Codes
- POS / Back Office Interface
- Point to Point Encryption
- Retail Merchandise Data Exchange
- Site Asset
- Resources
- News/Events
- Contact